CN103716334A - Authentication method and system based on 802.1X protocol - Google Patents
Authentication method and system based on 802.1X protocol Download PDFInfo
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- CN103716334A CN103716334A CN201410014425.8A CN201410014425A CN103716334A CN 103716334 A CN103716334 A CN 103716334A CN 201410014425 A CN201410014425 A CN 201410014425A CN 103716334 A CN103716334 A CN 103716334A
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Abstract
The invention discloses an authentication method and system based on an 802.1X protocol. The method includes the steps of sending a user name of a login user and a password of the login user to an authentication server to be authenticated each time when a client end receives the user name inputted by the user and the password inputted by the user, allowing the user to access resources in a local area network after the user name and the password pass the authentication, and preventing the user from accessing the resources in the local area network if the user name and the password do not pass the authentication. By means of the authentication method and system, illegal users can be prevented from accessing the resources in the local area network.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of authentication method and system based on 802.1X agreement.
Background technology
802.1X agreement is a kind of Network access control agreement based on port, and the so-called Network access control based on port refers to that this one-level of port at LAN Gateway authenticates accessed user; Wherein, after accessed user is by authentication, i.e. resource in addressable local area network (LAN); Otherwise cannot access the resource in local area network (LAN).
Due in the prior art, the accessible a plurality of users of a port of access device, and for one of them port, as long as after first user's authentication success under this port, other user under this port is the resource in addressable local area network (LAN) without authenticating again; Make like this, undoubtedly the also resource in addressable local area network (LAN) of illegal user under this port.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of authentication method and system based on 802.1X agreement, to refuse illegal user, access the resource in local area network (LAN).
For achieving the above object, the invention provides following technical scheme:
An authentication method based on 802.1X agreement, comprising:
When username and password that client is inputted to user, send authentication request packet to access device;
Described access device sends inquiry message identifying to described client;
Described client sends response message to described access device; Wherein, the user name that at least comprises described user in described response message;
Described access device encapsulates described response message, access authentication message, and described message identifying is sent to described certificate server;
Described certificate server is resolved described message identifying, obtains described user's user name;
Described certificate server authenticates the legitimacy of described user name;
After described authentication is passed through, described certificate server generates random number, and described random number is forwarded to described client through described access device;
The default cryptographic algorithm of described client utilization is encrypted described random number and password, generates the first random cipher, and described the first random cipher is forwarded to described certificate server through described access device;
The default cryptographic algorithm of described certificate server utilization is encrypted described random number and the password of the user name of self storing by the user of authentication, generates the second random cipher;
Described certificate server contrasts described the first random cipher and described the second random cipher, if identical, authentication is passed through, and allows described user to access the resource in local area network (LAN); Otherwise authentication is not passed through, and refuses described user and accesses the resource in local area network (LAN).
Preferably, described method also comprises: in Preset Time, when described client does not receive the username and password that user inputs, carry out described access device and send inquiry message identifying to this step of described client.
Preferably, when described user authenticate by after, described method also comprises:
Described certificate server sends by message identifying to described access device;
Described access device is checked the hardware address that whether stores the client that the user by authentication logs in self two layers of table;
When not storing described hardware address, described hardware address is stored in described two layers of table.
Preferably, when described user authenticate obstructed after, described method also comprises:
Described certificate server sends not by message identifying to described access device;
Described access device is checked the hardware address of whether storing not the client that the user by authentication logs in self two layers of table;
When storing described hardware address, from two layers of table, delete described hardware address.
Preferably, described default cryptographic algorithm is the 5th edition message digest algorithm MD5.
A Verification System based on 802.1X agreement, comprising:
Client is used for, when receiving the username and password that user inputs, send authentication request packet to access device, send response message to described access device and utilize default cryptographic algorithm to be encrypted random number and password, generate the first random cipher, and described the first random cipher is sent to described access device; Wherein, the user name that at least comprises described user in described response message;
Described access device is used for, send inquiry message identifying to described client, described response message is encapsulated, access authentication message, and described message identifying is sent to certificate server, described random number is forwarded to described client, described the first random cipher is forwarded to described certificate server;
Described certificate server is used for, described message identifying is resolved, obtain described user's user name, legitimacy to described user name authenticates, generate random number, and described random number is sent to described access device, utilize default cryptographic algorithm to be encrypted described random number and the password of the user name of self storing by the user of authentication, generate the second random cipher and described the first random cipher and described the second random cipher are contrasted, if identical, authentication is passed through, allow described user to access the resource in local area network (LAN), otherwise authentication is not passed through, refuse described user and access the resource in local area network (LAN).
Preferably, when described client does not receive the username and password that user inputs, described access device also for, in Preset Time, initiatively send inquiry message identifying to described client.
Preferably, when described user authenticate by after,
Described certificate server also for, send by message identifying to described access device;
Described access device also for, check and in self two layers of table, whether store the hardware address of the client that the user by authentication logs in and when not storing described hardware address, described hardware address be stored in described two layers of table.
Preferably, after described user authenticates and does not pass through,
Described certificate server also for, send not by message identifying to described access device;
Described access device also for, check and in self two layers of table, whether store not the hardware address of the client that the user by authentication logs in and when storing described hardware address, from two layers of table, delete described hardware address.
Preferably, described default cryptographic algorithm is the 5th edition message digest algorithm MD5.
By above-mentioned technical scheme, can be found out, in embodiments of the present invention, when username and password that client is inputted to user (representative now has user will access LAN), all this user's username and password being sent to certificate server authenticates, and only have authentication to pass through, just allow this user to access the resource in local area network (LAN), otherwise refuse this user, access the resource in local area network (LAN); Therefore, adopt method and system of the present invention, can refuse illegal user and access the resource in local area network (LAN).
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the authentication method based on 802.1X agreement that Fig. 1 provides for the embodiment of the present invention;
Another flow chart of the authentication method based on 802.1X agreement that Fig. 2 provides for the embodiment of the present invention;
The another flow chart of the authentication method based on 802.1X agreement that Fig. 3 provides for the embodiment of the present invention;
The schematic diagram of the Verification System based on 802.1X agreement that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The invention discloses a kind of authentication method based on 802.1X agreement, as shown in Figure 1, the method at least comprises the following steps:
S11: when username and password that client is inputted to user, send authentication request packet to access device;
S12: access device sends inquiry message identifying to client;
S13: client sends response message to access device; Wherein, the user name that at least comprises user in response message;
S14: access device encapsulates response message, access authentication message, and message identifying is sent to certificate server;
S15: certificate server is resolved message identifying, acquisition user's user name;
S16: certificate server authenticates the legitimacy of user name;
S17: after authentication is passed through, certificate server generates random number, and random number is forwarded to client through access device;
S18: the default cryptographic algorithm of client utilization is encrypted random number and password, generates the first random cipher, and the first random cipher is forwarded to certificate server through access device;
Concrete, default cryptographic algorithm can be the 5th edition message digest algorithm (Message-Digest Algorithm5, MD5);
S19: the default cryptographic algorithm of certificate server utilization is encrypted random number and the password of the user name of self storing by the user of authentication, generates the second random cipher;
S20: certificate server contrasts the first random cipher and the second random cipher, if identical, authentication is passed through, and allows user to access the resource in local area network (LAN); Otherwise authentication is not passed through, refusal user accesses the resource in local area network (LAN).
Therefore, in embodiments of the present invention, when username and password that client is inputted to user (representative now has user will access LAN), all this user's username and password being sent to certificate server authenticates, and only have authentication to pass through, just allow this user to access the resource in local area network (LAN), otherwise refuse this user, access the resource in local area network (LAN); Therefore, adopt method of the present invention, can refuse illegal user and access the resource in local area network (LAN).
It should be noted that, access device of the present invention can be specially switch, and when the user who first switch is accessed authenticates, need carry out initialization to switch, empty two layers of hardware address table in table, central processing unit is set and does not learn hardware address, the bag of source hardware address being searched to failure carries out discard processing, at this moment, the client that each port of switch connects can not be passed through port access local area network (LAN).
In other embodiment of the present invention, for client, do not receive this situation of username and password that user inputs, in Preset Time, can directly carry out S12(and be access device and send inquiry message identifying to client) this step starts authentication.
In other embodiment of the present invention, when user authenticate by after, the method in above-mentioned all embodiment, as shown in Figure 2, also can comprise:
S31: certificate server sends by message identifying to access device;
S32: access device is checked the hardware address that whether stores the above-mentioned client logging in by the user of authentication in self two layers of table;
S33: when not storing hardware address, hardware address is stored in self two layers of table.
Therefore, when the hardware address of the user by authentication is stored in two layers of table of access device, be now about to this port and change licensing status into, and user can passes through port access LAN; In addition, during this period, client's timed sending handshake message that access device also can log in to the user by authentication, online situation to user is monitored, and in default situation, when twice handshake request message all can not get replying of above-mentioned client, access device can initiatively allow user offline, from the two layers of table of self, delete the hardware address of the client that this user logs in, thereby can prevent that user's situation that access device cannot perception because abnormal cause rolls off the production line from occurring.
And for not passing through the user of authentication, the method in above-mentioned all embodiment, as shown in Figure 3, also can comprise:
S41: certificate server sends not by message identifying to access device;
S42: first access device can will check the hardware address of whether storing not the client that the user by authentication logs in self two layers of table;
S43: when storing above-mentioned hardware address, delete above-mentioned hardware address from two layers of table;
Therefore, adopting said method, access device can be according to authentication result, hardware address to user is controlled, to reach the effect of controlling customer access network, and do not need special-purpose 802.1X register to control port or user access, thereby make its versatility better.
It should be noted that, in embodiments of the present invention, its client can initiatively send the message that rolls off the production line to access device, requires to roll off the production line, now access device only need change unauthorized state into by licensing status the port being connected with this client, and sends to client the response message that rolls off the production line.
Corresponding with said method, the invention also discloses a kind of Verification System based on 804.1X agreement, as shown in Figure 4, comprising:
Concrete, default cryptographic algorithm can be MD5;
By above-mentioned technical scheme, can be found out, in embodiments of the present invention, when client 41 receives the username and password that user inputs (representative now has user will access LAN), all this user's username and password being sent to certificate server 43 authenticates, and only have authentication to pass through, just allow this user to access the resource in local area network (LAN), otherwise refuse this user, access the resource in local area network (LAN); Therefore, adopt system of the present invention, can refuse illegal user and access the resource in local area network (LAN).
In other embodiment of the present invention, when client 41 does not receive the username and password that user inputs, the access device 42 in above-mentioned all embodiment also for, in Preset Time, initiatively send inquiry message identifying to client 41.
In other embodiment of the present invention, when user authenticate by after, the certificate server 43 in above-mentioned all embodiment also for, send by message identifying to described access device 42;
And after user authenticates and does not pass through, the certificate server 43 in above-mentioned all embodiment also for, send not by message identifying to access device 42;
Each refinement function for client 41, access device 42 and certificate server 43 can, referring to the record of said method, not repeat them here.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the authentication method based on 802.1X agreement, is characterized in that, comprising:
When username and password that client is inputted to user, send authentication request packet to access device;
Described access device sends inquiry message identifying to described client;
Described client sends response message to described access device; Wherein, the user name that at least comprises described user in described response message;
Described access device encapsulates described response message, access authentication message, and described message identifying is sent to described certificate server;
Described certificate server is resolved described message identifying, obtains described user's user name;
Described certificate server authenticates the legitimacy of described user name;
After described authentication is passed through, described certificate server generates random number, and described random number is forwarded to described client through described access device;
The default cryptographic algorithm of described client utilization is encrypted described random number and password, generates the first random cipher, and described the first random cipher is forwarded to described certificate server through described access device;
The default cryptographic algorithm of described certificate server utilization is encrypted described random number and the password of the user name of self storing by the user of authentication, generates the second random cipher;
Described certificate server contrasts described the first random cipher and described the second random cipher, if identical, authentication is passed through, and allows described user to access the resource in local area network (LAN); Otherwise authentication is not passed through, and refuses described user and accesses the resource in local area network (LAN).
2. method according to claim 1, is characterized in that, also comprises: in Preset Time, when described client does not receive the username and password that user inputs, carry out described access device and send inquiry message identifying to this step of described client.
3. method according to claim 1, is characterized in that, when described user authenticate by after, also comprise:
Described certificate server sends by message identifying to described access device;
Described access device is checked the hardware address that whether stores the client that the user by authentication logs in self two layers of table;
When not storing described hardware address, described hardware address is stored in described two layers of table.
4. method according to claim 1, is characterized in that, when described user authenticate obstructed after, also comprise:
Described certificate server sends not by message identifying to described access device;
Described access device is checked the hardware address of whether storing not the client that the user by authentication logs in self two layers of table;
When storing described hardware address, from two layers of table, delete described hardware address.
5. method according to claim 1, is characterized in that, described default cryptographic algorithm is the 5th edition message digest algorithm MD5.
6. the Verification System based on 802.1X agreement, is characterized in that, comprising:
Client is used for, when receiving the username and password that user inputs, send authentication request packet to access device, send response message to described access device and utilize default cryptographic algorithm to be encrypted random number and password, generate the first random cipher, and described the first random cipher is sent to described access device; Wherein, the user name that at least comprises described user in described response message;
Described access device is used for, send inquiry message identifying to described client, described response message is encapsulated, access authentication message, and described message identifying is sent to certificate server, described random number is forwarded to described client, described the first random cipher is forwarded to described certificate server;
Described certificate server is used for, described message identifying is resolved, obtain described user's user name, legitimacy to described user name authenticates, generate random number, and described random number is sent to described access device, utilize default cryptographic algorithm to be encrypted described random number and the password of the user name of self storing by the user of authentication, generate the second random cipher and described the first random cipher and described the second random cipher are contrasted, if identical, authentication is passed through, allow described user to access the resource in local area network (LAN), otherwise authentication is not passed through, refuse described user and access the resource in local area network (LAN).
7. system according to claim 6, is characterized in that, when described client does not receive the username and password that user inputs, described access device also for, in Preset Time, initiatively send inquiry message identifying to described client.
8. system according to claim 6, is characterized in that, when described user authenticate by after,
Described certificate server also for, send by message identifying to described access device;
Described access device also for, check and in self two layers of table, whether store the hardware address of the client that the user by authentication logs in and when not storing described hardware address, described hardware address be stored in described two layers of table.
9. system according to claim 6, is characterized in that, after described user authenticates and does not pass through,
Described certificate server also for, send not by message identifying to described access device;
Described access device also for, check and in self two layers of table, whether store not the hardware address of the client that the user by authentication logs in and when storing described hardware address, from two layers of table, delete described hardware address.
10. system according to claim 6, is characterized in that, described default cryptographic algorithm is the 5th edition message digest algorithm MD5.
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| CN201410014425.8A CN103716334A (en) | 2014-01-13 | 2014-01-13 | Authentication method and system based on 802.1X protocol |
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| CN108293055A (en) * | 2015-12-02 | 2018-07-17 | 格马尔托股份有限公司 | Method, apparatus and system for authenticating to mobile network and for by the server of device authentication to mobile network |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104901940A (en) * | 2015-01-13 | 2015-09-09 | 易兴旺 | 802.1X network access method based on combined public key cryptosystem (CPK) identity authentication |
| CN108293055B (en) * | 2015-12-02 | 2020-08-28 | 格马尔托股份有限公司 | Method, device and system for authenticating to a mobile network and server for authenticating a device to a mobile network |
| CN108293055A (en) * | 2015-12-02 | 2018-07-17 | 格马尔托股份有限公司 | Method, apparatus and system for authenticating to mobile network and for by the server of device authentication to mobile network |
| CN105978810A (en) * | 2016-06-27 | 2016-09-28 | 上海斐讯数据通信技术有限公司 | User authentication method and system based on SDN (Software Defined Network) |
| CN106792667A (en) * | 2016-12-23 | 2017-05-31 | 北京光年无限科技有限公司 | A kind of network access verifying method and robot for robot |
| CN106792667B (en) * | 2016-12-23 | 2020-12-18 | 北京光年无限科技有限公司 | Network access authentication method for robot and robot |
| CN106954216A (en) * | 2017-04-28 | 2017-07-14 | 北京北信源软件股份有限公司 | Authentication method and system based on 802.1X agreements |
| CN108156092A (en) * | 2017-12-05 | 2018-06-12 | 杭州迪普科技股份有限公司 | message transmission control method and device |
| CN109067742A (en) * | 2018-08-01 | 2018-12-21 | 苏州汇川技术有限公司 | Peripheral authentication method, elevator control aggregate and elevator peripheral equipment |
| CN109067742B (en) * | 2018-08-01 | 2021-06-29 | 苏州汇川技术有限公司 | Peripheral equipment authentication method, elevator control equipment and elevator peripheral equipment |
| CN109347835A (en) * | 2018-10-24 | 2019-02-15 | 苏州科达科技股份有限公司 | Information transferring method, client, server and computer readable storage medium |
| CN109347835B (en) * | 2018-10-24 | 2021-09-07 | 苏州科达科技股份有限公司 | Information transmission method, client, server, and computer-readable storage medium |
| CN109347867A (en) * | 2018-11-27 | 2019-02-15 | 桂林长海发展有限责任公司 | A kind of safety certifying method and system based on http protocol |
| CN112866247A (en) * | 2021-01-18 | 2021-05-28 | 杭州中网智慧科技有限公司 | Identity authentication method and device |
| WO2023010285A1 (en) * | 2021-08-03 | 2023-02-09 | 华为技术有限公司 | Information processing method and apparatus, and device |
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Application publication date: 20140409 |